sparkfun KIT-14173 Hook-Up Manual page 29

Page 29 of 33
Finally, we'll configure the Light Board. The picture above shows the full list
of actions that the Light Board supports. We're going to use the "Fill Color"
option, twice, for our project.
Below are the settings for the first "Fill Color" effect to be added. This turns
the pixels on when the button is depressed.